IE CSS Image performance mini-test

Test 1: PASS

Test 2: PASS

Test 3: PASS

Test 4: PASS

Test 5: PASS

Test 6: PASS

Test 7: PASS

Test 8: PASS

Test 9: PASS

Test 10: FAIL

Test 11: PASS

Test 12: PASS

Test 13: PASS

Test 14: PASS

Test 15: PASS

Test 16: PASS

Test 17: PASS

Test 18: PASS

Test 19: PASS

Test 20: FAIL